a) Use a graphing utility to graph f(x) = ln(x) and f(x − c) = ln(x − c) for c = −3, −2, 1, and 5 on the same axes. (b) For each c-value, identify the vertical asymptote and the domain of  y = ln(x − c). (Enter the answer for the vertical asymptote as a mathematical equation. Enter the answer for the domain using interval notation.) c = −3 vertical asymptote = ? domain = ?   c = −2 vertical asymptote = ? domain = ?   c = 1 vertical asymptote = ? domain = ?   c = 5 vertical asymptote = ? domain = ?   (c) For each c-value, find the x-intercept of y = ln(x − c). c = −3 x = ? c = −2 x = ? c = 1 x = ? c = 5 x = ?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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(a) Use a graphing utility to graph f(x) = ln(x) and f(x − c) = ln(x − c) for c = −3, −2, 1, and 5 on the same axes.

(b) For each c-value, identify the vertical asymptote and the domain of 
y = ln(x − c). (Enter the answer for the vertical asymptote as a mathematical equation. Enter the answer for the domain using interval notation.)

c
= −3
vertical asymptote = ?
domain = ?
 
c = −2
vertical asymptote = ?
domain = ?
 
c = 1
vertical asymptote = ?
domain = ?
 
c = 5
vertical asymptote = ?
domain = ?

 

(c) For each c-value, find the x-intercept of y = ln(x − c).
c = −3
x = ?

c = −2
x = ?

c = 1
x = ?

c = 5
x = ?

(d)
Write a sentence that explains precisely how the graphs of 
y = f(x) and y = f(x − c) are related. (Multiple Choice)

A. The graph of f(x − c) is the graph of f(x) stretched by c units on the x-axis.
B. The graph of f(x − c) is the graph of f(x) shifted c units on the x-axis.
C. The graph of f(x − c) is the same as the graph of f(x).
D. The graph of f(x − c) is the graph of f(x) stretched by c units on the y-axis.
E. The graph of f(x − c) is the graph of f(x) shifted c units on the y-axis.
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